Penjelasan dengan langkah-langkah:
Un = a + (n - 1)b
U16 = a + (16 - 1) × 3
34 = a + (15) × 3
34 = a + 30
a = 34 - 30
a = 4
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Penjelasan dengan langkah-langkah:
Un = a + (n - 1)b
U16 = a + (16 - 1) × 3
34 = a + (15) × 3
34 = a + 30
a = 34 - 30
a = 4